HP ProBook 5220m HP ProBook 5220m Notebook PC - Maintenance and Service Guide - Page 24

Bottom components

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Bottom components Component (1) Battery release latches (2) (2) Battery bay (3) Service access door release latches (2). (4) Vents (3) (5) Service access bay Description Release the battery from the battery bay. Holds the battery and the subscriber identity module (SIM). Release the service access door. Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Provides access to the hard drive, 2 memory module slots, the wireless local area network (WLAN) module, and the HP Mobile Broadband Module (select models only; not supported by the Linux operating system). 16 Chapter 2 External component identification

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Bottom components
Component
Description
(1)
Battery release latches (2)
Release the battery from the battery bay.
(2)
Battery bay
Holds the battery and the subscriber identity module (SIM).
(3)
Service access door release latches (2).
Release the service access door.
(4)
Vents (3)
Enable airflow to cool internal components.
NOTE:
The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the internal
fan to cycle on and off during routine operation.
(5)
Service access bay
Provides access to the hard drive, 2 memory module slots, the
wireless local area network (WLAN) module, and the HP Mobile
Broadband Module (select models only; not supported by the Linux
operating system).
16
Chapter 2
External component identification